1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
|
/* hmac.h -- hashed message authentication codes
Copyright (C) 2005, 2009-2025 Free Software Foundation, Inc.
This file is free software: you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as
published by the Free Software Foundation; either version 2.1 of the
License, or (at your option) any later version.
This file is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public License
along with this program. If not, see <https://www.gnu.org/licenses/>. */
/* Written by Simon Josefsson. */
#ifndef HMAC_H
#define HMAC_H 1
#include <stddef.h>
#ifdef __cplusplus
extern "C" {
#endif
/* Compute Hashed Message Authentication Code with MD5, as described
in RFC 2104, over BUFFER data of BUFLEN bytes using the KEY of
KEYLEN bytes, writing the output to pre-allocated 16 byte minimum
RESBUF buffer. Return 0 on success. */
int
hmac_md5 (const void *key, size_t keylen,
const void *buffer, size_t buflen, void *restrict resbuf);
/* Compute Hashed Message Authentication Code with SHA-1, over BUFFER
data of BUFLEN bytes using the KEY of KEYLEN bytes, writing the
output to pre-allocated 20 byte minimum RESBUF buffer. Return 0 on
success. */
int
hmac_sha1 (const void *key, size_t keylen,
const void *in, size_t inlen, void *restrict resbuf);
/* Compute Hashed Message Authentication Code with SHA-256, over BUFFER
data of BUFLEN bytes using the KEY of KEYLEN bytes, writing the
output to pre-allocated 32 byte minimum RESBUF buffer. Return 0 on
success. */
int
hmac_sha256 (const void *key, size_t keylen,
const void *in, size_t inlen, void *restrict resbuf);
/* Compute Hashed Message Authentication Code with SHA-512, over BUFFER
data of BUFLEN bytes using the KEY of KEYLEN bytes, writing the
output to pre-allocated 64 byte minimum RESBUF buffer. Return 0 on
success. */
int
hmac_sha512 (const void *key, size_t keylen,
const void *in, size_t inlen, void *restrict resbuf);
#ifdef __cplusplus
}
#endif
#endif /* HMAC_H */
|
